Item: Natural shale slab containing a fish fossil impression. Specimen shows partial/whole fish outline and features such as fin rays/body shape (as seen in photos).
Size: 7 in x 4.5 in 
Origin / Age: Unknown locality and age; specimen sold as fossil specimen for display or collection.
Condition: Naturally weathered edges, minor surface wear.
Uses: Collectors, educational display, décor, or starting a fossil collection.
Notes: I am not a trained paleontologist; this item is sold as is. Photos provided show the detail.